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. 2022 Mar 10;11(6):955. doi: 10.3390/cells11060955

Figure 4.

Figure 4

Palmitic acid exposure of dual-stressed HPdLFs resulted in decreased H3K27 trimethylation near IL10 promoter regions associated with decreased IL10 expression. (a) Quantitative expression analysis of IL10 in human periodontal ligament fibroblasts (HPdLFs) exposed to palmitic acid (PA) and simultaneously stimulated with compressive force (CF) and P. gingivalis LPS after treatment with 1.00 µM UNC1999 compared to DMSO-treated BSA+LPS+CF control. (b) DNA primer locations in the IL10 gene locus indicating promoter-associated pairs (#1, #2 and #3) and a non-promoter-associated pair (#4). (c) Quantitative analysis of the associations of H3K27me3 with specific IL10 gene regions shown in (b) for dual-stimulated HPdLFs exposed to PA after UNC1999 treatment in comparison to the respective controls. Data were normalized to the sample input and IgG controls. **/## p < 0.01; ***/### p < 0.001; **/*** in relation to BSA+LPS+CF+DMSO; ##/### in relation to PA+LPS+CF+DMSO. One-way ANOVA and post hoc test (Tukey) were used for analysis.